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Stefan Geisenberger

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  • Straubing, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Loudspeaker having radially magnetized magnetic ring
    • Patent number 6,359,997
    • Issue date Mar 19, 2002
    • Harman Audio Electronic Systems GmbH
    • Stefan Geisenberger
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeakers
    • Patent number 5,898,786
    • Issue date Apr 27, 1999
    • Nokia Technology GmbH
    • Stefan Geisenberger
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Centering diaphragm
    • Patent number 5,729,616
    • Issue date Mar 17, 1998
    • Nokia Technology GmbH
    • Stefan Geisenberger
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    System for cancelling sound waves
    • Patent number 5,703,337
    • Issue date Dec 30, 1997
    • Nokia Technology GmbH
    • Stefan Geisenberger
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Loudspeakers
    • Patent number 5,699,439
    • Issue date Dec 16, 1997
    • Nokia Technology GmbH
    • Stefan Geisenberger
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Voice coil support for loudspeaker
    • Patent number 5,647,014
    • Issue date Jul 8, 1997
    • Nokia Technology GmbH
    • Stefan Geisenberger
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Connection line
    • Patent number 5,602,931
    • Issue date Feb 11, 1997
    • Nokia Technology GmbH
    • Stefan Geisenberger
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker suitable for high-temperature use having a non-adhesive...
    • Patent number 5,581,624
    • Issue date Dec 3, 1996
    • Nokia Technology GmbH
    • Stefan Geisenberger
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Suspension mount for loudspeakers
    • Patent number 5,574,797
    • Issue date Nov 12, 1996
    • Nokia Technology GmbH
    • Stefan Geisenberger
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker
    • Patent number 5,546,470
    • Issue date Aug 13, 1996
    • Nokia Technology GmbH
    • Stefan Geisenberger
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Arrangement for active sound damping
    • Patent number 5,466,899
    • Issue date Nov 14, 1995
    • Nokia Technology
    • Stefan Geisenberger
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    LOUDSPEAKER
    • Publication number 20010043715
    • Publication date Nov 22, 2001
    • STEFAN GEISENBERGER
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE